Even if it forces a boardwipe, youll gain 10,000 life from all the death triggers
Since Zirda, the Dawnwaker only cares about permanents, it could show up in a deck that is mostly (or exclusively) spells (people have mentioned this as a possibility in Vintage, where some decks incidentally meet Zirda, the Dawnwaker's restriction, although whether or not getting a random 3/3 in hand to start the game is worth a sideboard slot remains to be seen)
If you want to get a holistic understanding of the format macro-archetypes and dynamics that frame Modern's banlist, I recommend checking out Reid Duke's course on Modern
Archfiend of Depravity Archfiend of Depravity limits your opponents' armies to up to two creatures
As someone who has come into Magic recently as a writer, a player, and just a fan of the mythos, there is a lot I do not know
The bright background is perfectly suited to Arceus' regal pose, as the elegant landscape enhances this Pokemon's simple design